Reproducable Panic 6.0-RELEASE i386

Anish Mistry mistry.7 at osu.edu
Fri Dec 16 00:46:01 PST 2005


I'm getting the following panic, which I can reproduce easily.  Let me 
know what other information I should provide.  The backtrace seems 
really short for some reason.  I get the panic when running a 
multi-threaded application I'm developing/modifying.

kernel trap 12 with interrupts disabled

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x48
fault code              = supervisor write, page not present
instruction pointer     = 0x20:0xc0510cb3
stack pointer           = 0x28:0xe9aebb74
frame pointer           = 0x28:0xe9aebbf8
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = resume, IOPL = 0
current process         = 7848 (gdb)
[thread pid 7848 tid 100184 ]
Stopped at      kern_ptrace+0x11e3:     andl    $0xfffbffff,0x48(%eax)
db> bt
Tracing pid 7848 tid 100184 td 0xc4302180
kern_ptrace(c4302180,a,1ea6,0,11) at kern_ptrace+0x11e3
ptrace(c4302180,e9aebd04,10,418,4) at ptrace+0x56
syscall(3b,3b,3b,bfbfe580,1ea6) at syscall+0x13d
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (26, FreeBSD ELF32, ptrace), eip = 0x283360e7, esp = 
0xbfbfe3bc, ebp
 = 0xbfbfe3d8 ---



Full panic and backtrace, and alltrace:
http://am-productions.biz/docs/bigguy-panic.gz
http://am-productions.biz/docs/bigguy-dmesg.gz
http://am-productions.biz/docs/bigguy-pciconf.gz
Kernel config:
http://am-productions.biz/docs/BIGGUY.gz

-- 
Anish Mistry


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